Changes in version 1.0.2 (2026-08-04) - Add bundled example data inst/extdata/bruker_sample/ (PXD058284 sample 9) for runnable load_maldi_spectra() examples and tests. - Document PXD058284 example data source (Cheon et al., 2025). - Remove working-directory changes from load_maldi_spectra(); spectrum files are read via absolute paths. - Replace inappropriate \dontrun{} examples with runnable or \donttest{} examples using synthetic or bundled data. - Revise the Description field: expand MALDI-TOF at first use, clarify kernel-regression-based peak detection, and add method references. Changes in version 1.0.1 - NEW filter_overlap_mz() removes overlapping nearby frequent m/z features after find_frequent_mz(). - BREAKING Remove estimate_peak_boundaries() (was exported in v1.0.0 but not published on CRAN). Changes in version 1.0.0 - BREAKING heatmap_matched_matrix(): rename argument groups to group. - Update cohort-analysis README examples and heatmap figure using a PXD058284-based workflow.